209164060848 has 80 divisors (see below), whose sum is σ = 548475895296. Its totient is φ = 68673507840.

The previous prime is 209164060817. The next prime is 209164060909. The reversal of 209164060848 is 848060461902.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 209164060797 and 209164060806.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3593836 + ... + 3651572.

Almost surely, 2^209164060848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 209164060848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274237947648).

209164060848 is an abundant number, since it is smaller than the sum of its proper divisors (339311834448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209164060848 is a wasteful number, since it uses less digits than its factorization.

209164060848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58882 (or 58876 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 209164060848 in words is "two hundred nine billion, one hundred sixty-four million, sixty thousand, eight hundred forty-eight".